Case Study - Automated data collection platform

A bespoke Node.js platform that collects and processes large-scale market data for investment decisions

Client
Investment Firm
Year
Service
Backend development

Overview

In the investment world, having better data means making better decisions. Our client needed a way to systematically collect and analyse market data from a wide range of online sources — something that would have taken their team weeks to do manually.

We built a robust Node.js and TypeScript backend that orchestrates dozens of data collection workers, each tailored to a specific source. The system handles rate limiting, error recovery and data normalisation automatically, outputting clean, structured datasets ready for analysis.

Working closely with members of the investment team, we iterated on the data formats and collection targets until the output matched exactly what they needed for their due diligence process.

What we did

  • Node.js & TypeScript
  • Data pipelines
  • Backend architecture
  • PostgreSQL

The data platform JJP built gave us market insight we simply could not have obtained through other channels. It directly informed a major investment decision.

Emily Selman
Investment Director
Data sources
50+
Data points collected
2M+
Automation rate
95%
Faster than manual
10x

More case studies

Full stack web platform with real-time data

A modern React and Node.js platform built to handle complex financial data workflows

Read more

Web and mobile application development

Building a cross-platform shopping experience from the ground up

Read more

Tell us about your project